A research assistant in a lab conditions dogs to salivate to the sound of a bell. During conditioning, the assistant deliberately manipulates the interval between the sound of the bell and the presentation of food. After conditioning, he measures how much the dog salivates when the bell is presented alone. The interval is the _____ variable. The amount of salivation is the _____ variable.

Question

Quizplus · Accepted Answer

In this scenario, the researcher deliberately manipulating the interval between the sound of the bell and the presentation of food, which shows the variable that the researcher is changing or manipulating i.e. independent variable. On the other side, the researcher is measuring the amount of salivation, which is dependent upon the independent variable, making it the dependent variable. Therefore, the correct answer is D.

A Research Assistant in a Lab Conditions Dogs to Salivate